"A blast took place in Hotel Asasey within the center of Kismayo, followed by gunfire".
Ten foreigners including two Americans, one British, three Tanzanians, three Kenyans and one Canadian are among those killed in the attack that also left two Chinese among those injured.
He said authorities believed four gunmen, who one witness described as wearing Somali police uniforms, were involved in the attack.
The attack is the latest in a long line of bombing and assaults claimed by the al-Qaida-linked group.
The targeted hotel is known to be frequented by politicians and lawmakers.
He said the African Union's multinational force in Somalia will continue to work to stabilise the country.
"There are dead bodies and wounded people strewn inside the hotel", Abdiweli added. "They can not claim to be fighting to bring good governance to the country", he said in a statement issued in Mogadishu.
The attack occurred as local officials met inside the hotel ahead of a regional election in August.
At least two journalists and a United Nations agency staff member were also reported to have been killed.
Nalayeh was the mother of two boys.
Somali Journalists Syndicate (SJS) is heartbroken about the unfortunate death of the two journalists.
"It was an incredible day to witness #Somalia's beauty", the Somali-Canadian journalist wrote.
Naleyah was killed alongside her husband Farid Jama.
State-run Somali National News Agency said in a statement Prime Minister Hassan Ali Khaire had condemned the attack. "We're hopeful that we shall retrieve the doctors safely back home", the CS assured.
Al-Shabab was ejected from Mogadishu in 2011 and has since been driven from most of its other strongholds.
EU chief nominee hopes Britain will ditch Brexit
Ms von der Leyen has now met with all the Parliament's political groupings in the hope of convincing them to support her. The German lawmaker needs at least 374 votes from 747 MEPs in order to become European Commission president.
The difference between Money and Finance
This is the same money gamblers at www.bestusacasinosites.com and around the world use to make bets or wager on slots. Our topic of discussion for today will focus on a set of these confusing terms, money and finance to be specific.
In as much as most movies show how gambling is bad or addictive, look on the brighter side, it is a good way of making money. With so many people shaming gambling, directors are trying to put it out there that it is not as bad as people make it seem.